156912040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 395604000

約数和(自身を除く): 238691960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 73, 85, 109, 116, 136, 145, 146, 170, 218, 232, 290, 292, 340, 365, 436, 493, 545, 580, 584, 680, 730, 872, 986, 1090, 1160, 1241, 1460, 1853, 1972, 2117, 2180, 2465, 2482, 2920, 3161, 3706, 3944, 4234, 4360, 4930, 4964, 6205, 6322, 7412, 7957, 8468, 9265, 9860, 9928, 10585, 12410, 12644, 14824, 15805, 15914, 16936, 18530, 19720, 21170, 24820, 25288, 31610, 31828, 35989, 37060, 39785, 42340, 49640, 53737, 63220, 63656, 71978, 74120, 79570, 84680, 107474, 126440, 135269, 143956, 159140, 179945, 214948, 230753, 268685, 270538, 287912, 318280, 359890, 429896, 461506, 537370, 541076, 676345, 719780, 923012, 1074740, 1082152, 1153765, 1352690, 1439560, 1846024, 2149480, 2307530, 2705380, 3922801, 4615060, 5410760, 7845602, 9230120, 15691204, 19614005, 31382408, 39228010, 78456020, 156912040]

約数ペア:

[(1, 156912040), (2, 78456020), (4, 39228010), (5, 31382408), (8, 19614005), (10, 15691204), (17, 9230120), (20, 7845602), (29, 5410760), (34, 4615060), (40, 3922801), (58, 2705380), (68, 2307530), (73, 2149480), (85, 1846024), (109, 1439560), (116, 1352690), (136, 1153765), (145, 1082152), (146, 1074740), (170, 923012), (218, 719780), (232, 676345), (290, 541076), (292, 537370), (340, 461506), (365, 429896), (436, 359890), (493, 318280), (545, 287912), (580, 270538), (584, 268685), (680, 230753), (730, 214948), (872, 179945), (986, 159140), (1090, 143956), (1160, 135269), (1241, 126440), (1460, 107474), (1853, 84680), (1972, 79570), (2117, 74120), (2180, 71978), (2465, 63656), (2482, 63220), (2920, 53737), (3161, 49640), (3706, 42340), (3944, 39785), (4234, 37060), (4360, 35989), (4930, 31828), (4964, 31610), (6205, 25288), (6322, 24820), (7412, 21170), (7957, 19720), (8468, 18530), (9265, 16936), (9860, 15914), (9928, 15805), (10585, 14824), (12410, 12644)]